A219279 Primes of the form ChebyshevT[16,n].

708158977, 21293229181234844660737, 21260958687099552174028801, 46453251497945783267589121, 64576903826545426454350012417, 26475257580698876650533675799180801, 352799899930156494230719582325262337, 423592588581159655917184553299009537

Offset: 1

Author

Michel Lagneau, Nov 17 2012

Keywords

• nonn

Comments

ChebyshevT[16,x] is the 16th Chebyshev polynomial of the first kind evaluated at x.

The corresponding values n are in A219278.

Crossrefs

Cf. A219278.

Programs

Mathematica

lst={}; Do[p=Abs[ChebyshevT[16, n]]; If[PrimeQ[p], AppendTo[lst, p]], {n, 10^3}]; lst
Select[ChebyshevT[16,Range[250]],PrimeQ] (* Harvey P. Dale, May 06 2013 *)